Cited by 418Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersFetal and Pediatric Neurological Disorders

Brain anatomy and development in autism: review of structural MRI studies

Brambilla, Paolo, Hardan, Antonio, di Nemi, Stefania Ucelli, Perez, Jorge, Soares, Jair C, Barale, Francesco·2003·Brain Research Bulletin

Abstract

Autism is a neurodevelopmental disorder that severely disrupts social and cognitive functions. MRI is the method of choice for in vivo and non-invasively investigating human brain morphology in children and adolescents. The authors reviewed structural MRI studies that investigated structural brain anatomy and development in autistic patients. All original MRI research papers involving autistic patients, published from 1966 to May 2003, were reviewed in order to elucidate brain anatomy and development of autism and rated for completeness using a 12-item check-list. Increased total brain, parieto-temporal lobe, and cerebellar hemisphere volumes were the most replicated abnormalities in autism. Interestingly, recent findings suggested that the size of amygdala, hippocampus, and corpus callosum may also be abnormal. It is conceivable that abnormalities in neural network involving fronto-temporo-parietal cortex, limbic system, and cerebellum may underlie the pathophysiology of autism, and that such changes could result from abnormal brain development during early life. Nonetheless, available MRI studies were often conflicting and could have been limited by methodological issues. Future MRI investigations should include well-characterized groups of autistic and matched healthy individuals, while taking into consideration confounding factors such as IQ, and socioeconomic status.

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Crossref · 10.1016/j.brainresbull.2003.06.001

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Authors
Brambilla, P., Hardan, A., di Nemi, S. U., Perez, J., Soares, J. C., & Barale, F.
Affiliations
  • Centro San Giovanni di Dio Fatebenefratelli (IT)
  • University of Pittsburgh (US)
  • The University of Texas at San Antonio Health Science Center (US)
  • University of Pavia (IT)
Corresponding author
Brambilla, Paolo
Venue
Brain Research Bulletin
Publisher
Elsevier BV
Published
2003-10
Volume
61
Issue
6
Pages
557-569
ISSN
0361-9230 (ISSN-L)
OpenAlex
W1973759448
Cited by
418
References
75
Citations by year
2026: 7 · 2025: 12 · 2024: 12 · 2023: 10 · 2022: 35 · 2021: 19 · 2020: 16 · 2019: 13 · 2018: 11 · 2017: 18 · 2016: 18 · 2015: 17 · 2014: 21 · 2013: 8 · 2012: 24
FWCI
2.03
Type
journal article
Language
en
Open access
closed
Locations
  • Brain Research Bulletin (publishedVersion)
  • PubMed (publishedVersion)
  • Institutional Research Information System (University of Udine) (submittedVersion)
Funders
National Institute of Mental Health (K23MH001736, MH01736)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Fetal and Pediatric Neurological Disorders
Keywords
autism spectrum disorder, neuroanatomy, brain development, structural MRI, brain structure, brain volume, cerebellum, amygdala, hippocampus, corpus callosum, limbic system, neurodevelopmental disorders
MeSH terms
Autistic Disorder, Brain, Clinical Trials as Topic, Humans, Magnetic Resonance Imaging

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